4378922440 has 16 divisors (see below), whose sum is σ = 9852575580. Its totient is φ = 1751568960.

The previous prime is 4378922411. The next prime is 4378922489. The reversal of 4378922440 is 442298734.

It can be written as a sum of positive squares in 2 ways, for example, as 4221620676 + 157301764 = 64974^2 + 12542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54736491 + ... + 54736570.

Almost surely, 2^4378922440 is an apocalyptic number.

4378922440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4378922440 is an abundant number, since it is smaller than the sum of its proper divisors (5473653140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4378922440 is a wasteful number, since it uses less digits than its factorization.

4378922440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109473072 (or 109473068 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 4378922440 is about 66173.4269930159. The cubic root of 4378922440 is about 1636.0217923819.

The spelling of 4378922440 in words is "four billion, three hundred seventy-eight million, nine hundred twenty-two thousand, four hundred forty".